Up to 700 migrants feared dead in Mediterranean this week: UN

Rome: Up to 700 migrants are feared to have drowned in deadly shipwrecks off the coast of Libya this week, the UN`s refugee agency said Sunday, citing survivor testimony.

"The situation is chaotic, we cannot be sure of the numbers, but we fear up to 700 people may have drowned in three shipwrecks this week," one of which was believed to have claimed over 500 lives, UNHCR spokesman Federico Fossi told AFP.